/// by V is smaller than Size.
static bool isObjectSmallerThan(const Value *V, unsigned Size,
const TargetData &TD) {
- const Type *AccessTy = 0;
- if (const GlobalVariable *GV = dyn_cast<GlobalVariable>(V))
+ const Type *AccessTy;
+ if (const GlobalVariable *GV = dyn_cast<GlobalVariable>(V)) {
AccessTy = GV->getType()->getElementType();
-
- if (const AllocationInst *AI = dyn_cast<AllocationInst>(V))
+ } else if (const AllocationInst *AI = dyn_cast<AllocationInst>(V)) {
if (!AI->isArrayAllocation())
AccessTy = AI->getType()->getElementType();
-
- if (const Argument *A = dyn_cast<Argument>(V))
+ else
+ return false;
+ } else if (const Argument *A = dyn_cast<Argument>(V)) {
if (A->hasByValAttr())
AccessTy = cast<PointerType>(A->getType())->getElementType();
+ else
+ return false;
+ } else {
+ return false;
+ }
- if (AccessTy && AccessTy->isSized())
+ if (AccessTy->isSized())
return TD.getABITypeSize(AccessTy) < Size;
return false;
}
return MayAlias;
}
-// This function is used to determin if the indices of two GEP instructions are
+// This function is used to determine if the indices of two GEP instructions are
// equal. V1 and V2 are the indices.
static bool IndexOperandsEqual(Value *V1, Value *V2) {
if (V1->getType() == V2->getType())